package day20171101;

/**
 * Created by Administrator on 2017-11-1.
 */
public class Test {


    public static void main(String[] args) {

        double[] threeScores = new double[3];
        threeScores[0] = 98.8;
        threeScores[1] = 99.8;
        threeScores[2] = 99.9;

        Student chen = new Student();
        Student zhen = new Student();

        Student[] xinben02 = new Student[41];
        xinben02[0].name = "chen";
        xinben02[0].age = 20;



        String hello = "Hello, World!";

        hello.charAt(0); // H

        hello.indexOf("World!");

        String[] tokens = hello.split(",");









    }
}
